10 Best Gap Filler For Bed of 2026

Last updated on 04/04/2026
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1
9.8
Exceptional
Save 17%
Homemate King Size(76"x10"x6") Bed Wedge Pillow for Headboard - Bed Gap Filler(0-8") - Triangle Bloster Pillow Wedge - White
Homemate

Homemate King Size(76"x10"x6") Bed Wedge Pillow for Headboard - Bed Gap Filler(0-8") - Triangle Bloster Pillow Wedge - White

17% OffLimited time deal
Why we love it
  • Perfectly fills bed gaps.
  • High-density foam for support.
  • Multi-purpose for various uses.
Main Highlights
  • 【Perfect Bed Gap Filler】 Our triangle pillow measures 6"*10" and offers 4 length sizes of bed wedge mattress suitable for a wide range of bed sizes. This triangle wedge cushion can fill a gap from 0 to 8 inches, and can perfectly fill the gap between the headboard or wall and mattress to prevent pillows, toys, remote controls and other items from falling out of the bed.
  • 【High-Density Foam】Homemate is committed to using quality materials to give you a better experience. Our bed wedge pillow using 25D high-density quality sponge, soft and hard enough to support, high resilience to ensure multiple use to maintain its original shape. Note: triangle bloster pillow is a compressed package, after a long period of transport, need to be placed 24-48 hours to restore the shape.
  • 【Multi-Purpose Use】Our bed wedge pillow for headboard can not only be used as a bed gap filler, but also can be used with ordinary pillows to elevate your head and release the pressure on your shoulders and neck when sleeping on your side and back. You can also use it for sofa pillow filler, while it can be used as back support pillow. In addition our triangular pillow can also be used for arch support pillow, foot elevated pilow.
  • 【Side Pocket Design】Our triangle bed wedge cushion pillowcase is made of high-quality breathable material, certified by Oktex and Certipur-US, and will not sweat with long-term use. Both sides of the headboard wedge pillowcase are designed with reinforced pockets, which can facilitate you to place your cell phone, remote control, glasses or other items at any time.
  • 【Machine Washable & Considerate Service】Our foam wedge pillow for headboard features a high quality zipper that allows you to easily remove the pillowcase for machine washing. We are committed to providing a worry-free purchase service, offering you a return service and a 3-year warranty. If you have any questions with our bed crack pillow , please feel free to contact us, we will provide 24-hour around-the-clock attentive service.
9.8
Exceptional
Save 17%
Limited time deal
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Best Value
2
9.7
Exceptional
Save 5%
Voctriam Bed Wedge Gap Filler King (76"x 8"x 6") Wedge Pillow for Headboard Gap 0-8" Mattress Gap Filler Pillow to Fill The Gap Between Mattress and Wall with 2 Side Large Pockets
Voctriam

Voctriam Bed Wedge Gap Filler King (76"x 8"x 6") Wedge Pillow for Headboard Gap 0-8" Mattress Gap Filler Pillow to Fill The Gap Between Mattress and Wall with 2 Side Large Pockets

5% Off
Why we love it
  • Fills the annoying gap.
  • High-density foam for comfort.
  • Convenient side storage pockets.
Main Highlights
  • Close The Gap: Our bed gap filler king is not only fills the gap between the headboard and mattress but it also solves the problem about items and pillows disappearing behind the bed. Close gap ranging from 0 to 8 inches. The best solution to stop losing regular bed pillow during sleep
  • Quality Certificated: This pillow wedge for headboard gap is made of high density foam and an air breathable fabric which provides excellent comfort, softness, and firm support. Gap filler for bed king is great solven our problem.
  • Side Benifits: In addition to gap-filling function, Voctriam king size wedge pillow for headboard gap brings two large capacity pocket on both sides. These pockets allow you to store items such as phone, mini ipad, remote control, eyeglasses ect. Keep your room tidy and organized
  • Add to Your Cart Without Hesitation:This headboard wedge pillow has significantly improved your sleep experience. Without hesitation, add to your cart. Headboard gap filler king pillow with Machine-washing cover is a smart choice you must have
  • Our Services: Your satisfied is our 1st priority. Our 24 hours service team will respond to all your needs. Our king bed wedge pillow for headboard is compressed packing, please wait 24-48 hours to fully expand
9.7
Exceptional
Save 5%
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3
9.6
Superb
Save 10%
XetraDesign Bed Wedge Pillow for Headboard Gap Up to 7", Triangle Gap Filler for Bed, Mattress Wedge Gap Filler, Headboard Space Filler, Corner Pillow, White Queen 60"
XetraDesign

XetraDesign Bed Wedge Pillow for Headboard Gap Up to 7", Triangle Gap Filler for Bed, Mattress Wedge Gap Filler, Headboard Space Filler, Corner Pillow, White Queen 60"

10% Off
Why we love it
  • Customizable support angles available.
  • Locks securely in place.
  • Convenient pockets for essentials.
Main Highlights
  • Innovative 4-in-1 Bed Wedge Pillow: Our revolutionary patent-pending bed gap filler features a unique 4-in-1 design that allows you to create four distinct support angles or elevations with just a single rotation. This feature empowers you to personalize your sleep experience, ensuring optimal comfort and support tailored to your preferences.
  • Pressure-Locking Mechanism to Prevent Unwanted Shift: Unlike traditional triangular pillows that can shift around, our expertly crafted mattress wedge pillow gap filler is designed to fill the gap between your mattress and headboard securely. By creating pressure at two contact points, our pillow locks in place, eliminating any unwanted movement.
  • Multi-Purpose Use for Any Space: This multifunctional L-shape triangle wedge pillow is not just for bed! Perfectly designed to fit gaps up to 7 inches, it effectively fills the space between headboards and mattresses while also serving as a handy filler for wall crevices, sofa slots, and other openings.
  • Two (2) Convenient Side Pockets: Equipped with two spacious velcro-held side pockets, our bed wedge pillow allows for easy customization. You can adjust the pockets both vertically and horizontally to keep your essentials, such as glasses, remote controls, and mobile devices, right within arm's reach. No more fumbling in the dark or losing items between your bed and headboard!
  • Premium 30ILD High-Density Foam for Exceptional Support: Our bed wedge pillow gap filler is constructed from 30ILD high-density foam, expertly designed to provide a perfect balance of softness and support. This material not only offers superior resilience but also maintains its original shape even after long-term use.
  • Removable & Washable Cover: The removable pillow cover made of luxuriously soft fabric is machine washable, allowing you to keep your wedge pillow fresh with minimal effort. Maintaining a clean and comfortable sleeping environment has never been easier!
  • 5 Sizes & 2 Colors Available: Our bed gap fillers have 5 available sizes, including king, california king, queen, double and twin size with 2 color options, which are white and gray. It ensures a snug fit that hugs your mattress perfectly, preventing any movement throughout the night.
  • Built to Last: Designed in Italy, our wedge pillow bed gap filler is made from exquisitely soft fabric paired with quality long-lasting zippers. This ensures that your pillow not only feels fantastic but also stands the test of time, making it a worthwhile investment in your comfort and sleep quality.
  • Product Bundle Includes: 1x Pillow Wedge. 1x Cover. 2x Pockets, 1x Bed Sheet Tucking Tool.
9.6
Superb
Save 10%
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4
9.4
Superb
Save 8%
Deepshark Bed Gap Filler for King Mattress, High-Density 45D Sponge, Removable and Washable Cover, Mattress Extender Filler for Headboard Gap, Bed Space Crack, Wall(78"×4"×12", King)
DEEPSHARK

Deepshark Bed Gap Filler for King Mattress, High-Density 45D Sponge, Removable and Washable Cover, Mattress Extender Filler for Headboard Gap, Bed Space Crack, Wall(78"×4"×12", King)

8% Off
Why we love it
  • Broad size selection for convenience.
  • Easy to clean and maintain.
  • Supports superior comfort during sleep.
Main Highlights
  • 𝐁𝐫𝐨𝐚𝐝𝐞𝐫 𝐒𝐢𝐳𝐞 𝐒𝐞𝐥𝐞𝐜𝐭𝐢𝐨𝐧: our bed gap filler for headboard accommodate different mattress widths- 39", 54", 60", 78", and mattress size-Twin/Twin XL, Queen, Full, King. 64 size options perfectly fills the bed crack. Keep pillows, remote controls, pets, glasses and others on your bed and from falling out.
  • 𝐖𝐢𝐝𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐑𝐚𝐧𝐠𝐞: the bed gap filler is designed for the gap between your mattress and headboard, mattress extender, wall edge, or mattress gap between 2 mattress. "Wider mattress" with our bed gap filler provides you with a more restful sleep and make your home more cozy.
  • 𝐄𝐚𝐬𝐲-𝐂𝐥𝐞𝐚𝐧𝐢𝐧𝐠 𝐃𝐞𝐬𝐢𝐠𝐧: the appearance of the bed crack filler is made of breathable linen fabric that is soft and skin-friendly. The cover of the gap filler comes with a durable zipper, which is removable and easy to be clean, keeping your bed neat and tidy. (Wash Tips: Tumble dry on a low heat or air dry.)
  • 𝐒𝐮𝐩𝐞𝐫𝐢𝐨𝐫 𝐐𝐮𝐚𝐥𝐢𝐭𝐲: the headboard gap filler is lined with high-density 45D sponge, high resilience, more comfortable than other sponges and will not collapse. Warm Tips: due to the nature of sponges, compression packaging is required. The bed space filler takes 48-72 hours to fully expand after unpacking.
  • 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐞𝐫𝐯𝐢𝐜𝐞: we insist on providing our customers with high quality products. If you receive any quality problems with the mattress extender, please contact us in time and we will provide you with the most optimal after-sales service.
9.4
Superb
Save 8%
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5
9.2
Superb
HOMBYS Wedge Pillow Headboard for Bed Gap,Foldable Bed Wedge Gap Filler Queen Size,Matterss Gap Filler,Multi Functional Bed Crack Pillow, Fill The Gap (0-7") Between Your Headboard and Mattress,White
HOMBYS

HOMBYS Wedge Pillow Headboard for Bed Gap,Foldable Bed Wedge Gap Filler Queen Size,Matterss Gap Filler,Multi Functional Bed Crack Pillow, Fill The Gap (0-7") Between Your Headboard and Mattress,White

Why we love it
  • Fills gaps up to seven inches.
  • Durable high-density memory foam.
  • Removable and machine washable cover.
Main Highlights
  • 【Close 0- 7 inch gap】:Our engineers optimized and upgraded the gap filler to a folding type according to our customers' needs, making it suitable for most beds. Roommate's Bed Gap Pillow is perfect for your headboard and mattress, preventing objects from slipping off the bed and reducing noise. When the Mattress Wedge Gap Filler becomes rectangular, it fills gaps from 0 to 7 inches wide. No more bending over to look under the bed for fallen objects!
  • 【PERFECT BED PILLOW COMPANIONS】 - Uniquely designed mattress gap filler is adjustable for freestyle gap filling, and the triangles on the wedge pillow can be flipped into a rectangular pillow. Cover the space between the bed and the wall or add a cover to fit exactly what you expect.
  • 【HIGH DENSITY PREMIUM FOAM】 The HOMBYS Wedge Pillow Plug is made of 25d high density memory foam, which provides superior durability and support without collapsing. As a result, our bed wedge pillow plugs are sturdy enough to block seams and prevent the pillow from slipping. Even after prolonged use, the wedge sleep pillow will not lose its shape or support due to compression.
  • 【Removable Cover】- The headboard pillow is made of skin-friendly and breathable fabric, odorless, soft and silky. Zipper design allows you to remove the pillowcase for replacement and cleaning. Machine washable, no pilling for long time use.
  • 【Fully Unfolded in 48 Hours】 - Compressed for optimal transportation. The headboard pillow will keep its shape for a long time without deforming. Meanwhile, it is soft enough to be used as a cozy headboard cushion on your bed.
9.2
Superb
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6
9.0
Superb
Save 10%
FOUXTEL 4 Modes Pillow Wedge for Headboard Gap, Foldable Bed Wedge Pillow, Bed Gap Filler King Size Fill The Gap (0-7"), Mattress Gap Filler Long Pillow Between Headboard and Mattress
FOUXTEL

FOUXTEL 4 Modes Pillow Wedge for Headboard Gap, Foldable Bed Wedge Pillow, Bed Gap Filler King Size Fill The Gap (0-7"), Mattress Gap Filler Long Pillow Between Headboard and Mattress

10% Off
Why we love it
  • Versatile with four use modes.
  • Effectively fills bed gaps.
  • Convenient side pockets for storage.
Main Highlights
  • 4 USE MODES - The gap filler is optimized and upgraded to 4 use modes according to customers' needs, making it suitable for most beds. The uniquely designed mattress gap filler allows you to freely adjust the gap filling method, and the triangles on the wedge pillow can be flipped into a rectangular pillow. Cover the gap between the bed and the wall or add a cover to fit your expectations perfectly.
  • PERFECT WEDGE PILLOW - If you're struggling with losing items in the bed frame gap behind your pillow, our mattress gap filler is made for you! Our wedge pillow measures Queen:60"x6.3"x6.3" /king:76"x6.3"x6.3". This king size bed gap filler can fill gaps from 0 -7 inches, king size bed wedge pillow can perfectly fill the gap between the headboard or wall and mattress, preventing pillows, cell phones, toys, remotes, or other belongings from falling out of bed.
  • PREMIUM HIGH DENSITY FOAM - FOXTUEL king size bed pillow wedge for headboard gap is made of premium 25D high density foam wedge, which is strong enough to hold back the gap and keep its original shape for a long time. It also fills the bed gap effectively and provides comfortable support for your head and neck for a good night's sleep. The pillow wedge takes up less space on the bed and also helps some customers to reduce the number of pillows on the bed for a neater bed.The bolster pillowcase is made of high-grade, breathable, soft material that is Oeko-tex certified. The pillowcase has a zipper design and is removable for easy machine washing.
  • BREATHABLE & REMOVABLE COVER - Included is a soft, breathable bolster pillowcase made from Oeko-Tex certified material. The zippered cover is easily removable and machine washable, ensuring simple maintenance and long-lasting freshness. - Included is a soft, breathable bolster pillowcase made from Oeko-Tex certified material. The zippered cover is easily removable and machine washable, ensuring simple maintenance and long-lasting freshness.
  • TIP: 24-48 HOURS FULLY INFLATED - Our headboard wedge pillow gaps are compressed during shipment, so it takes 24-48 hours to return to its original shape after unpacking.FOXTUEL wedge headboard pillows retain their shape for a long period of time without deforming.
9.0
Superb
Save 10%
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7
9.0
Superb
Save 9%
Couzssyhi Bed Wedge Gap Filler King Size, Wedge Pillow for Headboard Gap, Foldable Mattress Gap Filler Close The Gap (0–7") Between Headboard and Mattress, Bed Crack Pillow, 76×10×6 in, White
Couzssyhi

Couzssyhi Bed Wedge Gap Filler King Size, Wedge Pillow for Headboard Gap, Foldable Mattress Gap Filler Close The Gap (0–7") Between Headboard and Mattress, Bed Crack Pillow, 76×10×6 in, White

9% Off
Why we love it
  • Five modes for comfort.
  • Closes bed gaps.
  • Pockets hold essentials.
Main Highlights
  • 5 ADJUSTABLE MODES: Designed with a foldable and adjustable structure, this king size bed wedge gap pillow (76" x 10" x 6") offers 5 flexible use modes to fit different bed gap widths. Easily adjust the shape to match your bed setup and sleeping habits, making it suitable for most king beds.
  • CLOSE THE GAP: This mattress gap filler reduces the space between your mattress and headboard or wall, filling gaps up to 0–7 inches. Prevent pillows, phones, remotes, toys, and other items from slipping into the gap, keeping your bed tidy and clutter-free.
  • DUAL SIDE POCKETS: Featuring storage pockets on both ends with adjustable directions, this bed wedge gap filler keeps your essentials within reach. Perfect for holding phones, glasses, remotes, books, or tablets while reading or relaxing in bed.
  • ERGONOMIC & MULTI-USE SUPPORT: The ergonomic wedge gap filler design gently supports your head, neck, and shoulders when sitting up in bed. It can also be used as a back support pillow, sofa gap filler, bed bolster, or as a cushioned crib-side pillow for added comfort along the bed edge, offering versatile use beyond gap filling.
  • QUALITY MATERIALS: Filled with premium high-density foam, this headboard gap pillow provides stable support while maintaining its shape over time. The removable, zippered cover is machine washable for easy care, while the non-slip textured surface helps keep the pillow securely in place. Note: Vacuum-compressed for shipping. Allow 24–48 hours to fully expand after opening.
9.0
Superb
Save 9%
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8
8.8
Excellent
Save 6%
HIGOGOGO King Size Wedge Pillow for Headboard Gap - Multi Functional Mattress Wedge Bed Gap Filler Close The Gap (0-7") Between Your Mattress and Headboard or Wall (Grey 76"x11"x9")
HIGOGOGO

HIGOGOGO King Size Wedge Pillow for Headboard Gap - Multi Functional Mattress Wedge Bed Gap Filler Close The Gap (0-7") Between Your Mattress and Headboard or Wall (Grey 76"x11"x9")

6% Off
Why we love it
  • Versatile for various setups.
  • High-density foam ensures comfort.
  • Convenient storage for small items.
Main Highlights
  • 【VERSATILE WEDGE PILLOW】- Thanks to its adjustable wedge shape, this pillow easily used for a bed gap filler, sofa gap blocker, and more. More substantial than standard wedge pillows, it not only seals gaps effectively in different setups but also provides comfortable head and neck support
  • 【GREAT BED PILLOW COMPANIONS】- The enlarge gap filleris capable of adapting various situation by adjusting its shape to effectively fill gaps from 0"-7". It securely prevents pillows, phones, remotes, and other items from falling between the mattress and headboard, ensuring a more restful and quality sleep
  • 【HIGH-DENSITY FOAM】- Made with 30D firm high-density foam, this wedge pillow stays supportive even with daily use. It offers comfortable head and neck support for lying in bed. The removable, machine-washable cover simplifies cleaning—easily remove it wash to maintain freshness.
  • 【CONVENIENT STORAGE POCKETS】- Beyond sealing mattress gaps, this wedge pillow includes dual spacious pockets to store phones, remotes, glasses, and other small items—perfect for a clutter-free bed or sofa
  • 【★WARM TIPS★】- The bed gap filler pillow is vacuum packed. Upon arrival, please allow 24-72 hours for it fully expand. To speed up expansion, gently pat and knead it regularly. If it doesn't fully inflate, try steaming it lightly.
8.8
Excellent
Save 6%
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9
8.7
Excellent
Save 35%
IFNOW Queen Size(60"x6"x10") Bed Wedge Pillow for Headboard, Mattress Gap Filler(0-8"), Bed Wedge for Gap Between Your Headboard and Mattress Dark Grey
IFNOW

IFNOW Queen Size(60"x6"x10") Bed Wedge Pillow for Headboard, Mattress Gap Filler(0-8"), Bed Wedge for Gap Between Your Headboard and Mattress Dark Grey

35% Off
Why we love it
  • Satisfactory after-sales service guaranteed.
  • Perfect for preventing item loss.
  • Convenient pockets for easy storage.
Main Highlights
  • AFTER-SALE SERVICE: After receiving the product, if you are not satisfied in any way, please contact us and we will provide you with satisfactory after-sales service to ensure a good shopping experience
  • PERFECT BED GAP FILLER: The bed wedge pillow for headboard can narrow the gap between the headboard and mattress (0-8"). We have additionally increased the width of the bottom of the bed wedge to accommodate wider gaps. The wedge pillow can effectively prevent the pillow from moving or items from falling, don't worry about the pillow/remote control/glasses/children's toy "disappearing" at night. The pillow wedge for headboard gap Help you get a good sleep
  • UNIQUE POCKET DESIGN: Larger and thicker pockets are designed on both sides of the wedge pillow to increase storage space and make it firmer. Pillow wedge for headboard gap full size can conveniently store your mobile phone, remote control, glasses and other items and keep break spaces tidy
  • VARIOUS USAGE SCENARIOS: The headboard wedge pillow gap filler can not only fill the gap of the mattress, but also can be used with ordinary pillows to adjust the sleeping height. The bed wedge pillow can also be used in living room sofas, dormitory beds, as backrest pillows. Wedge pillow are available in 4 sizes to meet different needs
  • HIGH DENSITY FOAM: Our bed wedge pillow for headboard and mattress are equipped with high-density memory foam, which has excellent support and resilience and maintain its original shape after long-term use. The pillow wedge package is in a compressed state. After opening the package, let the wedge pillow stand for 4-5 hours to expand to its original size
  • HIGH QUALITY FABRIC: The bed wedge pillow for headboard is equipped with high-quality breathable fabric, which is comfortable and soft to the touch. Headboard gap pillow are equipped with high-quality zippers is easy to remove, and thepillow wedge for headboard gap can be washed directly in the washing machine
8.7
Excellent
Save 35%
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10
8.7
Excellent
Save 31%
Vekkia Queen Bed Wedge Pillow for Headboard Gap – 0–6" Mattress Gap Filler with Supportive Comfort Foam & Large Side Pockets – Prevents Lost Pillows & Items, Washable Cover (Gray 60"x10"x7")
Vekkia

Vekkia Queen Bed Wedge Pillow for Headboard Gap – 0–6" Mattress Gap Filler with Supportive Comfort Foam & Large Side Pockets – Prevents Lost Pillows & Items, Washable Cover (Gray 60"x10"x7")

31% Off
Why we love it
  • Prevents pillows from falling behind.
  • Provides comfort and lumbar support.
  • Features convenient storage pockets.
Main Highlights
  • Gap Filler: Closes gaps up to 6" between headboard and mattress to prevent pillows and items from slipping
  • Balanced Support Foam: High-density foam provides firm support without feeling too hard, offering comfortable cushioning for head, neck
  • Ergonomic Design: Concave wedge surface gently lifts pillows for better head, neck, and shoulder alignment
  • Convenient Pockets: Oversized side pockets keep phones, glasses, remotes, and books within reach
  • Easy Care Cover: Removable polyester cover with durable zipper, machine washable to stay fresh and clean
  • Gentle Reminder: Our pillow arrives compressed for easy shipping. Just unpack and let it relax — it will fluff back to full shape within 24 hours and reach its best supportive comfort in about 48 hours
8.7
Excellent
Save 31%
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